/*
 * Copyright 2006-2007 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.cesce.batch.cobros.items;

import java.util.ArrayList;
import java.util.List;

import org.springframework.batch.item.ExecutionContext;
import org.springframework.batch.item.ItemStream;
import org.springframework.batch.item.ItemStreamException;
import org.springframework.batch.item.ItemWriter;
import org.springframework.batch.item.file.FlatFileItemWriter;

import com.cesce.batch.cobros.dominio.Comunicados;
import com.cesce.batch.cobros.dominio.Registro;


public class ComunicadosHostWriter implements ItemWriter<Object[]>, ItemStream {

	private FlatFileItemWriter<Object> delegate;

	
	private Long lastIdRegistro=null;
	private List<Comunicados> comunicados=new ArrayList<Comunicados>();
	
	public void write(List<? extends Object[]> items) throws Exception {

		for(Object[] obj: items) {
			Registro reg = (Registro)obj[0];
			if(lastIdRegistro==null || lastIdRegistro!=reg.getIDREGISTRO()) {
				if(comunicados.size()>0) this.delegate.write(comunicados);
				List<Registro> l = new ArrayList<Registro>();
				l.add(reg);
				this.delegate.write(l);
				comunicados=new ArrayList<Comunicados>();
			} 
			comunicados.add((Comunicados)obj[1]);
			lastIdRegistro=reg.getIDREGISTRO();
		}
		this.delegate.write(comunicados);
	}

	public void setDelegate(FlatFileItemWriter<Object> delegate) {
		this.delegate = delegate;
	}

	public void close() throws ItemStreamException {
		this.delegate.close();
	}

	public void open(ExecutionContext executionContext) throws ItemStreamException {
		this.delegate.open(executionContext);
	}
	
	public void update(ExecutionContext executionContext) throws ItemStreamException {
		this.delegate.update(executionContext);
	}



}
